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87www.fiorini-industries.com

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Hydronic Kits

Contents

Cold Water Storage Tanks

Hydronic Kits

Accessories

VKB 2.0pag. 118

HP 2.0pag. 106

HPTpag. 89

pag. 66

pag. 86

pag. 126


88 www.fiorini-industries.com

Hydronic kit

The VKB 2.0, HPT and HP 2.0 units are meant to optimize the perfor-mance of heating and cooling installations and to reduce the installation time.

The units have an integrated system, which contains all the needed components for an efficient functioning of the hydraulic circuit (or for the distribution of chilled water).

They are designed, pre-assembled and every unit is tested in our fac-tory. In this way we guarantee quality in our products and a fast and simple installation. The kits are available with a broad range of Pump/Tank combinations which can be used with any kind of cooling device or heat pump.

The units are made of materials and finished in a certain way which makes it possible to install outdoor. They can be customized according to the client’s specific requirements.

Advantages

✔ Easy installation✔ All units are tested✔ Pre-assembled system✔ Fast installation✔✔ Excellent dimensions✔ Low energy consumption

HPTUnit with tank, pump

and accessories

The units are in accordance with the directives emitted by the European Union and labelled with the CE mark.

In accordance with theErP directive

Efficient usage of energy

Pre-assembled accessories and tested for a fast and

secure installation

VKB 2.0Unit with tank

and accessories

HP 2.0Unit with pumpand accessories



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Tank units for chilled waterHydronic systems: HPT

The HPT units are hydraulic units with buffer tanks designed to reduce the production time of condi-tioning and cooling systems. They can be equipped with all different kinds of water coolers.

The HPT units are made of:

• carbon steel tank and tubes insulated with an-ti-condensate elastomer

• Centrifugal single or double pump with a shut-off valve

• Switchboard with possibility to alternate the pumps with every start-up (2 pump version), to start-up the backup pump in case of breakdown (2 pump version), magnetothermic protection, cleaned contact to signalise the distance between the pumps, protection category IP55

• Expansion vessel• Safety valve• Deaerator• Manometer• Fill-up/drain valve• Base and self-supporting panels made of galva-

nized and coated steel sheets, suitable for outdoor installations.

Available versions

The broad range of pump-tank combinations makes it possible to meet all requirements. Numerous ver-sions are available: with a single or a double pump and with tanks with a capacity of 100, 200, 300, 500, 750, 1000, 1500 and 2500 litres.

Accessories

For the accessories list see pag. 104

Carbon steel tank and tubes insulated with anti-condensate elastomer



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14

15

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10

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6 5 4

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11

HPT hydronic systemsLayout 1 - STANDARD

Legend

1. Storage tank2. Y filter. Optional, supplied non-assembled3. Manometer4. Deaerator5. Safety valve6. Expansion vessel7. Kit with electric anti-freeze resistance and anti-freeze thermostat (optional)8. On-off valve9. Circulator10. Check valve (only version with 2 pumps)11. Automatic filling unit12. Differential pressure switch (optional)13. Self-supporting wooden structure for outside placement14. Chiller15. Device

Layout 1 Features: Hydronic kit, chiller and system connected in series, hence the water flow is constant throughout the plant.

NOTE: All HPT Fiorini standard kit kits are Layout 1

HPT GROUP

Supply limitof HPT group



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1513

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HPT hydronic systemLayout 2 - SPECIAL VERSION

Layout 2 Features: Hydronic Kit and Chiller create the primary circuit, Hydronic Kit and Plant create the secondary circuit. Hence, the two circuits have independent flow rates.

NOTE: Pump unit supplied only on one of the two circuits.

Legend

1. Storage tank2. Y filter. Optional, supplied non-assembled3. Manometer4. Deaerator5. Safety valve6. Expansion vessel7. Kit with electric anti-freeze resistance and anti-freeze thermostat (optional)8. On-off valve9. Circulator10. Check valve (only version with 2 pumps)11. Automatic filling unit12. Differential pressure switch (optional)13. Self-supporting wooden structure for outdoor placement14. Chiller15. Device

HPT GROUP




1

2

2

1513

1212

7

1134

56

8

9

10

14

7

HPT hydronic systemLayout 3 - SPECIAL VERSION

HPT GROUP


Legend

1. Storage tank2. Y filter. Optional, supplied non-assembled3. Manometer4. Deaerator5. Safety valve6. Expansion vessel7. Kit with electric anti-freeze resistance and anti-freeze thermostat (optional)8. On-off valve9. Circulator10. Check valve (only version with 2 pumps)11. Automatic filling unit12. Differential pressure switch (optional)13. Self-supporting wooden structure for outside placement14. Chiller15. Device

Layout 3 features: Hydronic Kit and Chiller create the primary circuit, Hydronic Kit and the system create the independent secondary circuit. Then the two circuits have independent flow rates.

NOTE: Pump assembly supplied on both circuits.



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Hydronic systemsHPT: components

Components

1 Tank

2 Circulator

3 Expansion vessel

4 On-off valve

5 Automatic ventilation system

6 Pressure relief valve

7 Safety valve

8 Automatic filling unit

9 Switchboard

10 Control valve (version with 2 pumps)

11 Drain

12 Inlet power grid

13 Jacking points

14 Water outlet

15 Water inlet

Vertical HPTHorizontal HPT

Components

1 Tank

2 Circulator

3 Expansion vessel

4 On-off valve

5 Automatic ventilation system

6 Pressure relief valve

7 Safety valve


9 Switchboard

10 Control valve (version with 2 pumps)

11 Drain

12 Anchoring point (4-6 holes m12/ ø14)

13 Inlet power grid

14 Water outlet

15 Water inlet



Lt

G1

P1

Wt

Ht

M M

NN

Lt

G1

P1

Wt

Ht

M M

NN

P1

Z1 Z2WtLt

Ht

G1

Ht

Lt Wt

G1

P1

Hydronic systemsHPT: dimensions and connections

Vertical HPT dimensions

Horizontal HPT dimensions

Capacityl

Wtmm

Ltmm

Htmm

P1mm

G1mm

P1inch

G1inch

100 1120 800 1350 546 1002 1” 1/2 1” 1/2

200 1120 800 1350 546 1072 1” 1/2 1” 1/2

300 1100 760 1726 558 1008 2” 1/2 2” 1/2

Capacityl

Wtmm

Ltmm

Htmm

P1mm

G1mm

Z1mm

Z2mm

G1inch

P1inch

300 1504 1120 1265 738 490 212 388 2”1/2 2”1/2

500 1504 1120 1265 738 490 212 388 2”1/2 2”1/2

750 2044 1200 1510 940 604 185 440 3” 3”

1000 2044 1200 1510 940 604 185 440 3” 3”

1500 2260 1900 1782 1145 829 262 703 4” 4”

2500 2260 1900 1782 1145 829 262 703 4” 4”

HPT 100-200 HPT 300

G1 From plant threaded connection

P1 To energy sourcethreaded connection

G1 From plant threaded connection

P1 To energy sourcethreaded connection

Couplings legend

Couplings legend

Horizontal version

Vertical version



0

5

10

15

20

25

0 5 10 15 20 25 30

HPT 300-‐500

Flow rate (m3/h)

H (m

)

P2

P1

ΔP

0

5

10

15

20

25

30

0 5 10 15 20 25 30 35 40 45 50

HPT 300-‐500

Flow rate (m3/h)

H (m

)

P4 P3

P5

ΔP

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HPT hydronic systems Prevalence and pressure loss curve

ΔP: pressure loss of the HPT unit

flow (m3/h)

flow (m3/h)

flow (m3/h)

HPT-V 100-200

HPT 300-500



0,0

5,0

10,0

15,0

20,0

25,0

30,0

35,0

40,0

45,0

0,0 10,0 20,0 30,0 40,0 50,0 60,0 70,0 80,0 90,0

HPT 750-‐1000

Flow rate (m3/h)

H (m

)

P7

P6

P8

P9

ΔP

0,0

5,0

10,0

15,0

20,0

25,0

30,0

35,0

40,0

45,0

50,0

0,0 20,0 40,0 60,0 80,0 100,0 120,0 140,0 160,0

Flow rate (m3/h)

H (m

)

P11

P10

P12

P13

HPT 750-‐1000

ΔP

HPT hydronic systems Prevalence and pressure loss curveHPT 750-1000

ΔP: pressure loss of the HPT unit

flow (m3/h)

flow (m3/h)



0,0

5,0

10,0

15,0

20,0

25,0

30,0

35,0

40,0

45,0

0,0 10,0 20,0 30,0 40,0 50,0 60,0 70,0 80,0

HPT 1500-‐2500

Flow rate (m3/h)

H (m

)

P7

P6

P8

P9

ΔP

0,0

5,0

10,0

15,0

20,0

25,0

30,0

35,0

40,0

45,0

50,0

0,0 20,0 40,0 60,0 80,0 100,0 120,0 140,0 160,0

Flow rate (m3/h)

H (m

)

P11

P10

P12

P13

P14

HPT 1500-‐2500

ΔP

0,0

5,0

10,0

15,0

20,0

25,0

30,0

35,0

40,0

45,0

50,0

0,0 50,0 100,0 150,0 200,0 250,0

HPT 1500-‐2500

Flow rate (m3/h)

H (m

)

P16

P15

P17

P18

ΔP

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HPT hydronic systems Prevalence and pressure loss curveHPT 1500-2500

ΔP: pressure loss of the HPT unitflow (m3/h)

flow (m3/h)

flow (m3/h)



HPTHydronic systemsHPT Layout 1 Codes

HPT 1 pump 2 pumps (1 redundant)

F.L.IkW

F.L.A.(400/3/50)

AVelCapacity Model Code Price

Weightkg Model Code Price

Weightkg

100vertical

PT2* 838011493X 171 PT2* 838011494X 176 0,72 1,3 18

PT3* 838011495X 172 PT3* 838011496X 176 0,72 1,3 18

200vertical

PT2* 838011497X 193 PT2* 838011498X 198 0,72 1,3 18

PT3* 838011499X 194 PT3* 838011500X 198 0,72 1,3 18

300vertical

P1 838010891X 231 P1 838010896X 251 1,1 2,5 25

P2 838010892X 233 P2 838010897X 254 1,5 3,2 25

P3 838010893X 233 P3 838010898X 255 1,5 3,4 25

P4 838010894X 237 P4 838010899X 262 2,2 4,8 25

P5 838010895X 239 P5 838010900X 266 3 5,6 25

300horizontal

P1 838010349 260 P1 838010354 305 1,1 2,5 25

P2 838010350 262 P2 838010355 308 1,5 3,2 25

P3 838010351 262 P3 838010356 309 1,5 3,4 25

P4 838010352 266 P4 838010357 316 2,2 4,8 25

P5 838010353 297 P5 838010358 320 3 5,6 25

500horizontal

P1 838010359 283 P1 838010364 318 1,1 2,5 25

P2 838010360 285 P2 838010365 321 1,5 3,2 25

P3 838010361 285 P3 838010366 322 1,5 3,4 25

P4 838010362 289 P4 838010367 330 2,2 4,8 25

P5 838010363 320 P5 838010368 334 3 5,6 25

P6 838010879X 313 P6 838011056X 369 3 6,1 25

750horizontal

P6 838010374 425 P6 838010379 476 3 6,1 25

P7 838011384X 428 P7 838011385X 481 4 8,7 25

P8 838010375 442 P8 838010380 542 5,5 10,4 25

P9 838011392X 446 P9 838011393X 550 7,5 13,6 25

P10 838010376 460 P10 838010381 559 5,5 10,4 25

P11 838010377 464 P11 838010382 568 7,5 13,6 25

P12 838011400X 477 P12 838011401X 605 9,2 17,2 25

P13 838010378 477 P13 838010383 605 11 21,3 25

1000horizontal

P6 838010384 445 P6 838010389 531 3 6,1 25

P7 838011386X 447 P7 838011387X 536 4 8,7 25

P8 838010385 461 P8 838010390 598 5,5 10,4 25

P9 838011394X 465 P9 838011395X 606 7,5 13,6 25

P10 838010386 479 P10 838010391 615 5,5 10,4 25

P11 838010387 484 P11 838010392 624 7,5 13,6 25

P12 838011402X 496 P12 838011403X 661 9,2 17,2 25

P13 838010388 496 P13 838010393 661 11 21,3 25

Pve (bar) 1,5 Ps (bar) 3 T min (°C) -10* PT2 and PT3 available in single-phase version on request

NOTE - Layout 1 is the standard execution unless otherwise stated in the order. Prices for Layout 2 and Layout 3 on request.

Legend

F.L.I. Maximum absorbed powerF.L.A. Maximum current absorbedVe Expansion vessel capacityPve Expansion vessel pre-chargePs Maximum operating pressureT min Minimum liquid temperature



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NOTE - Layout 1 is the standard execution unless otherwise stated in the order. Prices for Layout 2 and Layout 3 on request.

Hydronic systemsHPT Layout 1 Codes

HPT 1 pump 2 pumps (1 redundant)

F.L.IkW

F.L.A.(400/3/50)

AVelCapacity Model Code Price

Weightkg Model Code Price

Weightkg

1500horizontal

P6 838010705 653 P6 838010458 716 3 6,1 2x25

P7 838011388X 656 P7 838011389X 721 4 8,7 2x25

P8 838010704 670 P8 838010630 783 5,5 10,4 2x25

P9 838011396X 674 P9 838011397X 791 7,5 13,6 2x25

P10 838010703 688 P10 838010696 803 5,5 10,4 2x25

P11 838010702 692 P11 838010695 812 7,5 13,6 2x25

P12 838011404X 705 P12 838011405X 846 9,2 17,2 2x25

P13 838010701 705 P13 838010694 849 11 21,3 2x25

P14 838010700 749 P14 838010693 939 15 27,7 2x25

P15 838011380X 739 P15 838011381X 921 11 20,2 2x25

P16 838010699 776 P16 838010692 995 15 26,6 2x25

P17 838010698 786 P17 838010691 1015 18,5 33 2x25

P18 838010697 795 P18 838010690 1033 22 40,4 2x25

2500horizontal

P6 838010689 706 P6 838010682 763 3 6,1 3x25

P7 838011390X 708 P7 838011391X 768 4 8,7 3x25

P8 838010688 722 P8 838010681 830 5,5 10,4 3x25

P9 838011398X 726 P9 838011399X 838 7,5 13,6 3x25

P10 838010687 740 P10 838010680 843 5,5 10,4 3x25

P11 838010686 745 P11 838010679 852 7,5 13,6 3x25

P12 838011406X 757 P12 838011407X 889 9,2 17,2 3x25

P13 838010685 757 P13 838010678 889 11 21,3 3x25

P14 838010684 801 P14 838010677 980 15 27,7 3x25

P15 838011382X 791 P15 838011383X 967 11 20,2 3x25

P16 838010707 828 P16 838010459 1041 15 26,6 3x25

P17 838010683 838 P17 838010676 1061 18,5 33 3x25

P18 838010706 847 P18 838010633 1079 22 40,4 3x25

Legend

F.L.I. Maximum absorbed powerF.L.A. Maximum current absorbedVe Expansion vessel capacityPve Expansion vessel pre-chargePs Maximum operating pressureT min Minimum liquid temperature



W1 W3

W2 W4

HPT hydronic systems:vertical distributionof the weight

1 pump 2 pumps (1 redundant)

Pumpmodel

Tankcapacity

lW1kg

W2kg

W3kg

W4kg

W1kg

W2kg

W3kg

W4kg

PT2 100 31 70 52 120 31 71 53 123

200 44 101 75 175 44 103 76 177

PT3100 31 70 52 121 31 71 53 123

200 44 101 76 175 45 102 76 177

P1 300 191 100 160 82 138 138 138 138

P2 300 194 100 160 81 140 140 138 138

P3 300 193 99 159 84 139 139 139 139

P4 300 194 101 161 83 141 141 141 141

P5 300 196 101 162 83 143 143 141 141

Unit top view



W1 W3

W2 W4

W1 W3 W5

W2 W4 W6

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HPT hydronic systems:horizontal distributionof the weight

Unit top view from P6 750Unit top view up to P6 500


Pumpmodel

Tankcapacity

lW1kg

W2kg

W3kg

W4kg

W5kg

W6kg

W1kg

W2kg

W3kg

W4kg

W5kg

W6kg

P1300 166 108 173 115 - - 174 128 175 129 - -500 239 146 246 154 - - 245 165 245 165 - -

P2 300 167 108 174 115 - - 175 129 176 130 - -500 239 147 247 154 - - 246 166 246 166 - -

P3300 167 108 174 115 - - 175 129 176 130 - -500 239 147 247 154 - - 246 166 246 166 - -

P4300 168 109 175 116 - - 177 131 178 132 - -500 240 147 248 155 - - 248 168 248 168 - -

P5300 177 115 184 122 - - 178 132 179 133 - -500 250 153 258 161 - - 250 168 250 168 - -

P6

500 248 152 256 160 - - 260 175 260 175 - -750 248 132 254 138 261 145 255 158 253 156 251 155

1000 314 156 320 163 326 169 325 190 323 188 321 1861500 394 311 400 318 408 326 402 341 400 339 399 3382500 593 463 600 469 606 477 602 473 610 479 616 486

P7

750 249 132 255 139 262 145 256 159 254 157 252 156 1000 314 157 320 163 327 169 326 191 324 189 322 187 1500 394 311 401 319 408 326 403 342 401 339 400 338 2500 593 464 601 470 607 477 603 474 611 480 617 487

P8

750 243 136 253 145 263 156 254 178 254 178 254 1781000 307 160 318 170 328 181 327 209 326 207 325 2061500 386 320 395 330 404 338 398 366 397 365 396 3642500 595 466 603 472 609 480 606 511 603 508 600 505

P9

750 244 136 253 146 264 156 255 179 255 179 255 179 1000 308 160 318 171 329 181 329 210 328 209 327 207 1500 387 321 395 330 405 339 399 368 398 367 397 366 2500 596 467 603 473 610 480 607 513 604 509 601 506

P10

750 247 138 256 147 267 158 257 180 257 180 257 1801000 311 162 321 173 332 183 331 211 330 210 329 2091500 389 323 398 332 407 341 401 370 400 369 399 3682500 599 469 606 475 612 482 608 513 605 510 602 507

P11

750 248 138 257 148 268 158 259 182 259 182 259 1821000 312 163 323 173 333 184 333 212 331 211 330 2101500 390 323 399 333 408 341 403 371 402 370 401 3692500 600 470 607 476 613 483 610 515 607 512 604 508

P12

750 250 139 260 149 271 160 266 187 266 187 266 187 1000 314 164 325 175 336 185 340 217 339 216 338 215 1500 392 325 401 335 411 343 409 377 407 376 406 374 2500 602 471 609 478 615 485 617 520 613 517 610 514

P13

750 249 141 259 151 269 161 264 189 264 189 264 1891000 306 167 319 180 333 194 331 227 330 225 328 2231500 382 330 394 342 407 354 396 390 395 389 394 3882500 591 475 601 485 612 496 603 533 600 530 597 527

P141500 386 336 401 350 414 365 408 408 407 407 406 4062500 589 486 601 498 613 516 605 563 602 560 599 555

P15 1500 384 335 399 348 413 363 405 405 404 404 403 403 2500 588 485 599 497 611 514 603 561 600 557 596 553

P161500 391 340 405 354 419 369 417 417 416 416 415 4152500 594 490 606 503 618 520 615 573 612 569 609 565

P171500 392 342 407 356 421 371 421 421 420 420 419 4192500 596 492 607 504 620 522 619 576 616 573 612 569

P181500 394 344 408 357 422 372 424 424 423 423 422 4222500 597 493 609 506 621 524 622 579 619 576 615 572



HPT hydronic systems capacity of the expansion vessel

Max water content in the device and the dimensions of the expansion vessel

On the first chart, the max water content in the hydraulic device which is compatible with the capacity of the expansion vessel (supplied with every HPT model) and with the start-up value of the safety valve (3 bar for all models) is indicated. If the actual water volume in the device, the storage tank included, is more than the operative conditions on the chart, more expansion vessels need to be installed.

Tav. 1

Operative conditions(1) cooling Min temp of fluid = 4°C Max temp of fluid = 40°C(2) heating (heat pump) Min temp of fluid = 4°C Max temp of fluid = 50°C

Tav. 2

Hydraulic height HPreload of the expansion vessel

mbar

151,80

101,50

HPT 100Max water capacity in the circuit in litres (1) 708 885

Max water capacity in the circuit in litres (2) 453 567















Water temperature

Water/glycolmix. max. min. Correction factor Reference

10% 40 -2 0. 507 (1)

10% 5 -2 0. 686 (2)

20% 40 -4 0. 434 (1)

20% 50 -4 0. 604 (2)

30% 40 -6 0. 393 (1)

30% 50 -6 0. 555 (2)



H max = 27 m (**)

Hl = 12,25 m H

P ba

r – 1

,5 b

arP

bar –

H/1

0,2

+ 0,

3

H = 0 m

H min (*)

H min

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HPT hydronic systemsPreload of the expansion vessel

The expansion vessel, of all models, is preloaded with a standard value of 1.5 bar. However, the value has to be adjusted to the height of the device H.

The formula used to calculate the preload value of the expansion vessel is:P = (H /10.2)+0.3

LegendH: height of the device in metersP: preload of the expansion vessel in barIf the result of the preload value is less than the stand-ard value, no steps should be taken. This means that for every installation with a height below 12.25 m, the preload of the expansion vessel should be 1.5 bar. In these cases the operator should only check the pressure value without carrying out any intervention.

Example:You take a height H of 15.3 m. The preload value is:P = (15,3/10,2)+0,3= 1,8 bar

H height of the deviceHmax: max height of the deviceH1: height when the preload of the expansion vessel is the same as the standard value* verify that the lowest point of the device can support the device’s pressure** verify that the highest point of the device is not higher than H max = 27 m

HPT hydronic systemuser’s conditions

Normal user conditions

The HPT Hydronic Group is designed to be placed in air conditioning systems, usually coupled with a chiller or a heat pump.

The groups are designed to work with water or eth-ylene glycol and water mixtures up to a maximum of 30%. For operation with percentages of higher glycols or with different fluids, you must consult our technical support.

The minimum operating temperature of the fluid is -10 ° C, of course with a mixture of water and gly-col, while the maximum is 60 ° C. Special versions for operation with lower or higher temperature fluids are available on request.

The outdoor air temperature range is -20 ° C + 40 ° C. Again, special versions are available for operation outside the standard range.

The maximum working pressure of the group is 3 bars. Versions with maximum operating pressure are available on request. Also versions for open vessel operation (atmospheric pressure) can be made on request.



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Hydronic systemsHPT accessories

* WARNING: If the system operates 24 hours a day, 7 days a week, the pump alternation is not guaran-teed by the standard group. In this case, we recommend the use of this accessory.

Programmable timer for alternating pumpsIn the dual pump configuration, the timer can be used to handle alternating pump operation at spec-ified time intervals. Without the timer, the alternating pump operation occurs at each startup of the group. Default alternation every 48 hours programmable.

Differential pressure switchSecurity device that allows you to verify that there is flow inside the system. The device generates an alarm signal but does not automatically stop the machine.

Code Description Price

838081104X TIMER OPTION 48H


838081000X DIFFERENTIAL PRESSURE SWITCH


838080917X ANTIVIBRATION FOR HPT 300/500

838080936X ANTIVIBRATION FOR HPT 750/1000

838080938X ANTIVIBRATION FOR HPT 1500/2500L

Anti-vibrating feetSet of anti-vibrating feet to be placed on the machine's support points. The feet are supplied disassembled.

Inverter (special version) Each pump can be operated by an inverter. The units equipped with inverters have a pressure sensor, 0-10 bar, which communicates with the inverter with 4-20 mA signal. All adjustment parameters are pre-loaded during the test run at the company. The user must choose only the desired set point pres-sure value.see page: 133

Antifreeze electric resistance kit (special version)The kit, mounted inside the tank, consists of an electrical resistance of 1300 W for dimensions up to 1000 l and two 1300 W electric resistors for larger dimensions. The kit also includes a bi-thermostatic antifreeze adjustment (-35 / + 35 ° C) and is supplied assembled, wired and tested.see page: 133

Soundproof coating (special version)The soundproofing is available, which attenuates the sound level of the machine significantly.see page: 133



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Hydronic systemsHPT accessories

Filter (special version)Mesh filter, with 1000 micron holes, can be placed outside the unit to protect the pumps from any im-purities in the equipment.see page: 133

Balancing valves (special version)Valve can be connected externally to balance the flow within the circuit. see page: 133

Wooden box packing (special version)Extra protective packing suitable for risky and long-distance transport.see page: 133

Tailored connectionsFrom Threaded to Flanged/Victaulic Standard see page: 132Special version for larger size, flanged victaulic in various materials see page: 133



HP 2.0Hydronic system

The HP 2.0 units are hydraulic stations meant to reduce the set-up time of the conditioning and cooling devices. They can be linked to any kind of water cooler.

The HP unit has:

• piping insulated with anti-condensate elas-tomere

• Single or double centrifugal pump with shut-off valve

• Power switchboard with device to alternate pumps with every start-up (version with two pumps), start-up of the back-up pump in case of breakdown (version with two pumps), magnetothermal protection, contacts to command the pumps from a distance, pro-tection category IP55.

• Safety valve• Deaerator• Manometer• Fill-up/drain valve• Base and self-supporting panels made of

galvanized and coated steel sheets, suitable for outdoor installations

• Panels that can be quickly and easily re-moved

• Easy and quick access to the switchboard

The broad range of combinations offers a solu-tion for every single type of installation.

Expansion vessel available on request.

Accessories

See pag. 116 for the list of available accessories

Piping insulated with anti-condensate elastomer



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HP 2.0 hydronic systems:hydraulic chart

HP 2.0 Group

Supply limitof HP 2.0 group

Legend

1. Circulator2. Shut-off valve (only version with 2 pumps)3. On-off valve4. Deaerator5. Automatic filling unit6. Expansion vessel (optional)7. Safety valve8. Drain9. Differential pressure switch (optional)10. Inlet returning fluid11. Y filter. Optional, supplied non-assembled12. Chiller13. Device

Features: Hydronic kit, chiller and plant connected in series, hence the water flow is constant throughout the plant.

NOTE: All HPT Fiorini standard kit kits are designed according to the following chart.



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HP 2.0 hydronic system:components

Components

1 Switchboard

2 Circulation pump (version with double pump, optional)

3 Removable bolted panel

4 Hinged panel

5 Shut-off valve

6 Water outlet

7 Water inlet

8 Pressure transmitter (only version with inverter)

9 Check valve (only version with double pump)

10 Ventilation grid

11 Safety valve


13 Base

14 Automatic pressure relief



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HP 2.0 hydronic system:dimensions

1 pumpDimensions

2 pumps (1 redundant)Dimensions

Pump modelLt

mmWtmm

Htmm

Ltmm

Wtmm

Htmm

G2inch

P2inch

PT2-PT3 790 650 1360 790 650 1360 1"1/2 1"1/2

P1-P2-P3-P4-P5 790 650 1360 790 650 1360 2"1/2 2"1/2

P6-P7-P8-P9 1200 790 1360 1200 790 1360 3" 3"

P10-P11-P12-P13-P14-P15-P16-P17-P18 1200 790 1360 1280 790 1600 4" 4"

P19-P20-P21 2000 1800 1575 2000 1800 1575 DN 200 UNI PN16 DN 200 UNI PN16

Layout of pump models from P19 to P21

Layout of pump models PT2, PT3, from P1 to P18

G2 To plantVictaulic connection

P2 From energy sourceVictaulic connection

Couplings legend



0

5

10

15

20

25

0 5 10 15 20 25 30

Flow rate (m3/h)

H (m

)

P2

P1

ΔP

HP 2.0 Hydronic systemsPrevalence and pressure loss curve

ΔP: Pressure drop HP unit

flow (m3/h)

flow (m3/h)



0

5

10

15

20

25

30

0 5 10 15 20 25 30 35 40 45 50

Flow rate (m3/h)

H (m

)

P4 P3

P5

ΔP

0,0

5,0

10,0

15,0

20,0

25,0

30,0

35,0

40,0

45,0

0,0 10,0 20,0 30,0 40,0 50,0 60,0 70,0 80,0 90,0

Flow rate (m3/h)

H (m

)

P7

P6

P8

P9

ΔP

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flow (m3/h)

flow (m3/h)



0,0

5,0

10,0

15,0

20,0

25,0

30,0

35,0

40,0

45,0

50,0

0,0 20,0 40,0 60,0 80,0 100,0 120,0 140,0 160,0

H (m

)

P11

P10

P12P13

P14

ΔP

0,0

5,0

10,0

15,0

20,0

25,0

30,0

35,0

40,0

45,0

50,0

0,0 50,0 100,0 150,0 200,0 250,0

Flow rate (m3/h)

H (m

)

P16

P15

P17

P18

ΔP

0,0

10,0

20,0

30,0

40,0

50,0

60,0

0,0 50,0 100,0 150,0 200,0 250,0 300,0 350,0

Flow rate (m3/h)

H (m

)

P20

P19

P21

ΔP

flow (m3/h)

flow (m3/h)



flow (m3/h)



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HP 2.0 hydronic systems:technical information


Pump model

F.L.IkW

F.L.A.(400/3/50)

A Code PriceWeight

kg Code PriceWeight

kg

PT2* 0,72 1,3 838060261X 100 838060262X 114

PT3* 0,72 1,3 838060263X 100 838060264X 114

P1 1,1 2,5 838060129X 129 838060119X 150

P2 1,5 3,2 838060130X 130 838060120X 151

P3 1,5 3,4 838060131X 131 838060121X 153

P4 2,2 4,8 838060132X 135 838060122X 157

P5 3 5,6 838060133X 137 838060123X 163

P6 3 6,1 838060107X 183 838060193X 256

P7 4 8,7 838060108X 190 838060194X 272

P8 5,5 10,4 838060109X 208 838060195X 311

P9 7,5 13,6 838060110X 224 838060196X 343

P10 5,5 10,4 838060111X 215 838060197X 323

P11 7,5 13,6 838060112X 231 838060198X 355

P12 9,2 17,2 838060235X 284 838060236X 407

P13 11 21,3 838060183X 284 838060217X 412

P14 15 27,7 838060184X 309 838060218X 503

P15 11 20,2 838060227X 279 838060228X 460

P16 15 26,6 838060185X 316 838060219X 549

P17 18,5 33 838060186X 319 838060220X 569

P18 22 40,4 838060187X 340 838060221X 587

P19 18,5 33 838060229X 703 838060230X 1265

P20 30 53,5 838060231X 844 838060232X 1519

P21 37 65,6 838060233X 865 838060234X 1557

Legend

F.L.I. Max absorbed powerF.L.A. Max absorbed currentPve Preload of expansion vesselPs Max operating pressureTmin Min temperature of the liquid




HP 2.0 hydronic systems: Capacityof the circuit and the expansion vesselMax water content in the device and dimensions of the expansion vessel

On chart 1 the max water volume in the hydraulic installation is indicated, compatible with the capacity of the expansion vessel and applicable to al HP 2.0 models. The safety valve also has a start-up value (3 bar for all models). If the effective water content in the device, as well as in the storage tank, exceeds the operating conditions in the chart, another/second expansion vessel should be installed to take the added water volume.

Tav. 1

Note: the expansion vessel is optional and should be ordered separately.

Operative conditions(1) cooling Min temp of fluid = 4°C Max temp of fluid = 40°C(2) heating (heat pump) Min temp of fluid = 4°C Max temp of fluid = 50°C

Tav. 2

Pump model Hydraulic height m 15 10

Preload of the expansion vessel bar 1,80 1,50

PT2 PT3 P1 P2 P3P4 P5

Circuit’s max water content (1) l 492 615


P6 - P18 Circuit’s max water content (1) l 984 1230


P19 - P21 Circuit’s max water content (1) l 1968 2460


Water/ glycol mix.

Water temperature

Correction factors Reference valuemax

°Cmin°C

10% 40 -2 0.507 (1)

10% 5 -2 0.686 (2)

20% 40 -4 0.434 (1)

20% 50 -4 0.604 (2)

30% 40 -6 0.393 (1)

30% 50 -6 0.555 (2)



H max = 27 m (**)

Hl = 12,25 m H

P ba

r – 1

,5 b

arP

bar –

H/1

0,2

+ 0,

3

H = 0 m

H min (*)

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Hydronic systemsHP 2.0 preload of the expansion vessel

The expansion vessel, of all models, is preloaded with a standard value of 1.5 bar.The value has to be adapted though to the height H of the device.

The formula used to calculate the preload value of the expansion vessel is:P = (H /10.2)+0.3

LegendH: height of the device in metersP: preload of the expansion vessel in barShould the preload value be less than the standard val-ue, no intervention has to be carried out. This means that an installation with a height of less than 12.25 meters has a preload of 1.5 bar. In this case the operator should only check the pressure value and not intervene.

ExampleWe take a height H of 15.3. The preload value is:P = (15,3/10,2)+0,3= 1,8 bar

H: height of the deviceHmax: max height of the deviceH1: height when the preload of the expansion vessel is the same as the standard value* verify that the lowest point of the device can support the pressure** verify that the highest point of the device does not exceed the max height H max=27 m.

HP 2.0 hydronic systemuser’s conditionsNormal user conditions

The HP 2.0 hydronic group is designed to fit into air conditioning systems, normally coupled with a chiller or a heat pump.The groups are designed to work with water or eth-ylene glycol and water mixtures up to a maximum of 30%. For operation with percentages of higher glycols or with different fluids, you must consult our technical service.

The minimum operating temperature of the fluid is -10°C, of course with a mixture of water and glycol, while the maximum is 60°C. Special executions for operation with lower or higher temperature fluids are available on request.

The outdoor air temperature range is -20°C + 40°C. Again, special versions are available for operation outside the standard range.




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Expansion vessel kit

Manometer kit

Original conncetionVictaulic

Transformed connectionUNI-EN PN 16 Code Price

1"1/2 DN40 838081247X

DN50 838081248X

2" DN50 838081249X

DN65 838081250X

2"1/2 DN65 838081251X

DN80 838081252X

3" DN80 838081253X

DN100 838081254X

4" DN100 838081255X

DN125 838081256X

* WARNING: If the system operates 24 hours a day, 7 days a week, the pump alternation is not guaranteed by the standard group. In this case, we recommend the use of this accessory.

Programmable timer for alternating pumpsIn the dual pump configuration, the timer can be used to handle alternating pump operation at specified time intervals. Without the timer, the alternating pump operation occurs at each startup of the group. Default alternation every 48 hours programmable.

Differential pressure switchSecurity device that allows you to verify that there is flow inside the system. The device generates an alarm signal but does not automatically stop the machine.


838081104X TIMER OPTION 48H


838081583X MANOMETER KIT


838081000X DIFFERENTIAL PRESSURE SWITCH


838080861X ANTI-VIBRATING FOR HP PT2/PT3 AND FOR P1 A P18

838081286X ANTI-VIBRATING FOR HP P19/P20/P21

Code Description Compatible with Price

838081187X EXPANSION VESSEL 12L INNER HP 2.0 UP TO P18

838081195X EXPANSION VESSEL 25L INNER HP 2.0 UP TO P18

838081480X EXPANSION VESSEL 2x25L INNER HP 2.0 UP TO P18

838081616X EXPANSION VESSEL 3x25L INNER HP 2.0 UP TO P18

838081234X EXPANSION VESSEL 2x25L INNER HP 2.0 FOR P19/P20/P21 VERSIONS

Anti-vibrating feetSet of anti-vibrating feet to be placed on the machine's support points. The feet are supplied disassembled.

Galvanized Transformation in Victaulic connectionsThey transform the victaulic connections into UNI-EN PN 16 flanged connections. A version with the same diameter and one with a larger diameter is available. The codes and prices below are for single piece.

Hydronic systemsHP 2.0: accessories



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Inverter (special version) Each pump can be operated by an inverter. The units equipped with inverters have a pressure sensor, 0-10 bar, which communicates with the inverter with 4-20 mA signal. All adjustment parameters are pre-load-ed during the test run at the company. The user must choose only the desired set point pressure value.see page: 133

Antifreeze electric resistance kit (special ver-sion) The kit provides protection against freez-ing by means of a heating cable wound around piping. The kit also includes a bi-thermostatic antifreeze adjustment (-35 / + 35 ° C) and is supplied assembled, wired and tested.see page: 133

Soundproof coating (special version)The soundproofing is available, which attenuates the sound level of the machine significantly.see page: 133

Filter (special version)Mesh filter, with 1000 micron holes, can be placed outside the unit to protect the pumps from any impurities in the equipment.see page: 133


Wooden box packing (special version)Extra protective packing suitable for risky and long-distance transport.see page: 133



Hydronic systemsVKB 2.0

The VKB 2.0 units are buffer storage tanks with ac-cessories (without circulation pump) designed in order to significantly reduce the set-up time for the conditioning and cooling devices.

With all hydraulic components which are indispensa-ble for the correct functioning of the hydraulic circuit for the distribution of chilled water. The components can be coupled with all kind of water coolers. The units consist of an insulated buffer tank, an expansion vessel, a safety valve, a deaerator, a fill/drain valve and a manometer.

The VKB 2.0 units are enveloped in a supporting structure in a galvanized steel and powder coated panels and base. They are designed to guarantee an easy inspection and maintenance of the compo-nents. The tank, which is hydraulically inserted be-tween the cooling station and the fan-coils, makes the water content in the entire installation increase, by increasing the pause between the shutdown of the compressor and the next start-up. In this way, the number of start-ups is significantly reduced, which improves the life span and performance of the com-pressor. The broad range of storage tanks makes it possible to meet every requirement. Every unit is as-sembled in our factory and tested to guarantee our trustworthiness.

Available versions

VKB 2.0 is available in the following sizes: 250, 500, 1000 and 1500 litres.

Accessories

See pag. 116 for the list of available accessories

Tank insulated with anti-condensate elastomer



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Hydronic systemsVKB 2.0 Layout 1 STANDARD

Hydronic systemsVKB 2.0 Layout 2 SPECIAL VERSION

Legend

1. Buffer unit, vkb 2.0 Series2. Cooling unit/heat pump3. Primary pump unit4. Primary pump unit (redundant)5. Filling unit

Legend

1. Buffer unit, vkb 2.0 Series2. Cooling unit/heat pump3. Primary pump unit4. Primary pump unit (redundant)

Hydronic kit, chiller and plant con-nected in series, so constant water flow throughout the plant.

Hydronic Kit and Chiller create the primary circuit, Hydronic Kit and Plant create the secondary circuit. Hence, the two circuits have inde-pendent flow rates. The VKB shown below is a special execution with baffles.

(special execution with baffles)



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VKB 2.0 Description of the main components

• Storage tank The storage tank is made of varnished carbon steel plates and is insulated with closed cell elastomer . This type of insulation, guarantees an excellent resistance to condensate formation.

• Fill up valve This valve refills the hydraulic circuit in the demand peak phase as well as during normal functioning.

• Safety valve Calibrated at 3 bar and with canalised drain. It protects the unit from possible overpressure.

• Automatic valve for air drain Placed on the upper part of the unit, it drains air from the unit.

• Drain valve It drains air from the lowest point of the tank to make drainage possible.

• Supporting structure The base is made of thick steel plates varnished. Thebasement and panels are made in galvanized steel and powder coated which are resistant to atmospheric agents. All this makes it possible for the VKB 2.0 to be installed in non-technical spaces and in places exposed to atmospheric agents.

• Expansion vessel Supplied with a membrane, preloaded nitrogen and with dimensions that can absorb varying volumes of liquid derived from the various temperatures.

• Manometer This device is placed on the tank and indicates the internal pressure.

Components

1 Storage tank

2 Fill-up valve

3 Automatic safety valve

4 Drain

5 Supporting structure

6 Expansion vessel

7 Manometer

8 Predisposition for electrical resistance

9 Predisposition for thermostat



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Capacityl

Vessell

Vessel calibration bar

Safety valvebar

Couplingsinch

Wtmm

Ltmm

Htmm

P1mm

G1mm

250 12 1 3 2” 590 750 1600 420 1220

500 18 1,5 3 3” 750 1000 1850 420 1470

1000 25 1,5 3 4” 1100 1100 1850 610 1410

1500 2x25 1,5 3 4" 1200 1200 1950 650 1450

Capacityl Code Price

Dimensions with packaging

mmWeight

kg

250 838050090X 625x785x1670 95

500 838050091X 800x1050x1920 155

1000 838050092X 1150x1150x1920 255

1500 838050016 1250X1250X2020 313

G1 From plantThreaded connection

P1 To energy sourceThreaded connection

Couplings legend



VKB 2.0 hydronic systems: Capacityof the circuit and the expansion vessel

Max water content in the device and dimensions of the expansion vessel

On chart 1 the max water volume in the hydraulic installation is indicated, compatible with the capacity ofthe expansion vessel and applicable to all VKB 2.0 models. The safety valve also has a start-up value (3 bar forall models). If the effective water content in the device, as well as in the storage tank, exceeds the operatingconditions in the chart, another/second expansion vessel should be installed to take the added water volume.

Tav. 1

Note: the expansion vessel is optional and should be ordered separately.

Condizioni operative:(1) cooling Min temp of fluid = 4°C Max temp of fluid = 40°C(2) heating (heat pump) Min temp of fluid = 4°C Max temp of fluid = 50°C

Tav. 2

Model Hydraulic height H m 15 10

Expansion vessel preload bar 1,8 1,5

VKB 2,0 250 lCircuit’s max water content (1) l 492 615








Water/ glycol mix.

Water temperature

Correction factors Reference valuemax

°Cmin°C

10% 40 -2 0.507 (1)

10% 5 -2 0.686 (2)

20% 40 -4 0.434 (1)

20% 50 -4 0.604 (2)

30% 40 -6 0.393 (1)

30% 50 -6 0.555 (2)



H

P ba

r - 1

,5 b

arP

bar -

H/1

0,2

+ 0,

3

H min (*)

HI = 12,25 m

H max = 27 m (**)

H = 0 m

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Hydronic systemsVKB 2.0 preload of the expansion vessel

The expansion vessel, of all models, is preloaded with a standard value of 1.5 bar.The value has to be adapted though to the height H of the device.The formula used to calculate the preload value of the expansion vessel is:P = (H /10.2)+0.3

LegendH: height of the device in metersP: preload of the expansion vessel in barShould the preload value be less than the stand-ard value, no intervention has to be carried out. This meansthat an installation with a height of less than 12.25 meters has a preload of 1.5 bar. In this case the op-eratorshould only check the pressure value and not inter-vene.

ExampleWe take a height H of 15.3. The preload value is:P = (15,3/10,2)+0,3= 1,8 bar

H: height of the deviceHmax: max height of the deviceH1: height when the preload of the expansion vessel is the same as the standard value* verify that the lowest point of the device can support the pressure** verify that the highest point of the device does not exceed the max height H max=27 m.

Normal user's conditionsThe VKB 2.0 hydronic group is designed to be incor-porated into conditioning systems, normally coupled with a chiller or a heat pump.The units are designed to work with water or ethylene glycol and water mixtures up to a maximum of 50%. For operation with percentages of higher glycols or with different fluids, you must consult our technical service.

The minimum operating temperature of the fluid is -10 ° C, of course with a mixture of water and glycol, while the maximum is 60 ° C. Special executions for operation with lower or higher temperature fluids are available on request.

The outdoor air temperature range is -20 ° C + 40 ° C. Again, special versions are available for operation outside the standard range.




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Hydronic systemsVKB 2.0 accessories

From threaded to flanged galvanized connectionsThe codes and prices below are for single piece.

Electrical resistorIP 65 Protection

Temperature controls

From threaded to Victaulic galvanized connectionsThe codes and prices below are for single piece.

Originalconnection

Transformed connection

uni-en pn 16 Code Price

1”1/2DN 40 838081200X

DN 50 838081201X

2”DN 50 838081202X

DN 65 838081203X

2”1/2DN 65 838081204X

DN 80 838081205X

3”DN 80 838081206X

DN 100 838081207X

4”DN 100 838081208X

DN 125 838081209X

Originalconnection

Transformed connection Code Price

1”1/2 1"1/2 838081211X

2" 838081212X

2” 2" 838081213X

2"1/2 838081214X

2”1/2 2"1/2 838081215X

3" 838081216X

3” 3" 838081217X

4" 838081218X

4” 4" 838081219X

5" 838081220X

DescriptionTemperature

range Safety range Code Price

Thermostat 0 ÷ 90 °C - 822010004

Bithermostat 0 ÷ 90 °C fix 100 °C 822010006

AntifreezeBithermostat

-30 ÷ 30 °C 0 ÷ 90 °C 822010007

PowerW

VoltageV

Element number

Connectiondiameter

inchLength

mm Code Price

1300 230/380 3 2” 220 824100008

2000 230/380 3 2” 290 824100009

3000 230/380 3 2” 340 824100010

4000 230/380 3 2” 390 824100012



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Hydronic systemsVKB 2.0 accessories

Filter (special version)Mesh filter, with 1000 micron holes, can be placed outside the unit to protect the pumps from any impurities in the equipment.see page: 133


Tailored connections (special version)Flangiate (in various materials), Victaulic (in various materials), Largersee page: 133


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